EP 2642150 A1 20130925 - FRICTION MATERIAL
Title (en)
FRICTION MATERIAL
Title (de)
REIBUNGSMATERIAL
Title (fr)
MATÉRIAU DE FRICTION
Publication
Application
Priority
- JP 2012067974 A 20120323
- JP 2012199752 A 20120911
Abstract (en)
A friction material containing, as a binder, a lignin-phenol resin having a weight average molecular weight of 5,000 or less or a cardanol-modified lignin-phenol resin having a weight average molecular weight of 5,000 or less. The friction material is produced by a method including: reacting a lignin having a weight average molecular weight of 5,000 or less, a phenol, an aldehyde, and optionally a cardanol, in the presence of an acid catalyst.
IPC 8 full level
F16D 69/02 (2006.01)
CPC (source: EP US)
C08H 6/00 (2013.01 - EP US); C08L 97/005 (2013.01 - EP); F16D 69/025 (2013.01 - EP US); F16D 69/026 (2013.01 - EP US)
Citation (applicant)
- JP H11513726 A 19991124
- JP 2008156601 A 20080710 - TOYOTA AUTO BODY CO LTD, et al
Citation (search report)
- [X] US 5300593 A 19940405 - GARDZIELLA ARNO [DE], et al
- [X] DE 4226329 A1 19930513 - RUETGERSWERKE AG [DE]
- [XY] US 5254639 A 19931019 - GARDZIELLA ARNO [DE], et al
- [XY] DE 4226330 A1 19930729 - RUETGERSWERKE AG [DE]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2642150 A1 20130925; EP 2642150 B1 20180425; CN 103320090 A 20130925; CN 103320090 B 20160120; EP 3242052 A1 20171108; EP 3242052 B1 20210804; US 2013253177 A1 20130926; US 9534650 B2 20170103
DOCDB simple family (application)
EP 13160524 A 20130322; CN 201310097170 A 20130325; EP 17000900 A 20130322; US 201313848298 A 20130321